I have 32 years of experience, and specialize in the field of mechanical engineering with specific knowledge in the areas of heating, air conditioning and plumbing, ventilation, fire protection and air conditioning and heating. I have published on such topics as evaporation cooling, solar heating. I have testified 23 times on topics such as carbon monoxide poisoning, water leak, water damage, slip and fall, incomplete combustion causing deadly gas and death and faulty system designs, engineer errors, malfunctioning systems, poor air quality causing low productivity.